Short-Hair Cottongrass

Calliscirpus brachythrix

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Calliscirpus
Species:
Calliscirpus brachythrix
USDA Symbol:
CABR30

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul

Garden & Ecology Notes

Wildlife Value:
waterfowl, songbirds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
moist, nutrient-rich, well-drained soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers wetland or riparian zones

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Requires light for germination. Seeds should be surface sown on saturated substrate and kept consistently wet.

The above propagation data sourced from Claude AI